healchow commented on code in PR #8223: URL: https://github.com/apache/inlong/pull/8223#discussion_r1228906336
########## inlong-manager/manager-common/src/main/java/org/apache/inlong/manager/common/fieldtype/datasource/PostgreSQLFieldTypeMapping.java: ########## @@ -0,0 +1,161 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.inlong.manager.common.fieldtype.datasource; + +import org.apache.commons.lang3.StringUtils; + +import java.util.stream.Stream; + +import static org.apache.inlong.manager.common.consts.InlongConstants.LEFT_BRACKET; + +/** + * The enum of PostgreSQL field type mapping. + */ +public enum PostgreSQLFieldTypeMapping implements BaseFieldTypeMapping { + + /** + * SMALLINT TYPE + */ + SMALLINT("SMALLINT", "SMALLINT"), + + INT2("INT2", "SMALLINT"), + + SMALL_SERIAL("SMALLSERIAL", "SMALLINT"), + + SERIAL2("SERIAL2", "SMALLINT"), + + /** + * INT TYPE + */ + SERIAL("SERIAL", "INT"), + + INT4("INT4", "INT"), + + INT("INT", "INT"), + + INTEGER("INTEGER", "INT"), + + INT8("INT8", "BIGINT"), + + /** + * BIGINT TYPE + */ + BIGINT("BIGINT", "BIGINT"), + + BIGSERIAL("BIGSERIAL", "BIGINT"), + + /** + * FLOAT TYPE + */ + REAL("REAL", "FLOAT"), + + FLOAT4("FLOAT4", "FLOAT"), + + /** + * DOUBLE TYPE + */ + FLOAT8("FLOAT8", "DOUBLE"), + + DOUBLE("DOUBLE", "DOUBLE"), + + DOUBLE_PRECISION("DOUBLE PRECISION", "DOUBLE"), + + /** + * DECIMAL TYPE + */ + NUMERIC("NUMERIC", "DECIMAL"), + + DECIMAL("DECIMAL", "DECIMAL"), + + /** + * BOOLEAN TYPE + */ + BOOLEAN("BOOLEAN", "BOOLEAN"), + + /** + * DATE TYPE + */ + DATE("DATE", "DATE"), + + /** + * TIME TYPE + */ + TIME("TIME", "TIME"), + + TIMESTAMP("TIMESTAMP", "TIMESTAMP"), + + /** + * STRING TYPE + */ + CHAR("CHAR", "STRING"), + + CHARACTER("CHARACTER", "STRING"), + + VARCHAR("VARCHAR", "STRING"), + + CHARACTER_VARYING("CHARACTER VARYING", "STRING"), + + TEXT("TEXT", "STRING"), + + /** + * BYTES TYPE + */ + BYTEA("BYTEA", "VARBINARY"), + + /** + * ARRAY TYPE + */ + ARRAY("ARRAY", "ARRAY"); + + /** + * The original data type + */ + private final String originalType; + + /** + * The target data type + */ + private final String targetType; + + PostgreSQLFieldTypeMapping(String originalType, String targetType) { + this.originalType = originalType; + this.targetType = targetType; + } + + @Override + public String getOriginalType() { + return originalType; + } + + @Override + public String getTargetType() { + return targetType; + } + + /** + * Get the field type of inlong field type mapping by the original field type. + * + * @param originalType the original field type + * @return the target field type of inlong field type mapping + */ + public static String getFieldTypeMapping(String originalType) { + String dataType = StringUtils.substringBefore(originalType, LEFT_BRACKET).toUpperCase(); + return Stream.of(values()).filter(v -> v.getOriginalType().equals(dataType)) Review Comment: Is it possible to construct a Map and then `get` it directly when using it? The current way is to loop through it every time it is used, which is too inefficient. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
